You've read this story here at this site:
Report: Pope Won't Visit Israel Until Caption Removed
(IsraelNN.com) Italian media quoted a spokesperson for Pope Benedict XVI as saying that he would not visit Israel until a caption below a photo of Pope Pius XII, who reigned during the Holocaust era, was removed. The caption, attached to a photo of the pope hanging in Yad Vashem, states that Pius "abstained from signing the Allied declaration condemning the extermination of the Jews" and "maintained his neutral position throughout the war." According to the Church, Pius worked "secretly and silently" during World War Two to "avoid the worst and save the greatest number of Jews possible."
Well, it seems there's a very strong wind blowing about on this issue:
Don't fool around with God.